[php-src] Issue #20668: global buffer overflow in url.c

Issue: https://github.com/php/php-src/issues/20668
Author: chongwick

### Description

The following code:

```php
<?php
$v_8910 = 'file:///datafoo:test';
$v_5729 = Uri\WhatWg\Url::parse($v_8910,);
$v_5732 = $v_5729->getAsciiHost();
$v_5731 = $v_5729->withHost($v_5732,);
```

Resulted in this output:
```
=================================================================
==1246000==ERROR: AddressSanitizer: global-buffer-overflow on address 0x00000813571f at pc 0x000001d899fb bp 0x7fffbfdf62f0 sp 0x7fffbfdf62e8
READ of size 1 at 0x00000813571f thread T0
    #0 0x1d899fa in lxb_url_parse_basic_h /home/w023dtc/nightly_php/php-src/ext/lexbor/lexbor/url/url.c:2137:25
    #1 0x1d9a6b6 in lxb_url_host_set_h /home/w023dtc/nightly_php/php-src/ext/lexbor/lexbor/url/url.c:4351:14
    #2 0x1d9ab52 in lxb_url_api_hostname_set /home/w023dtc/nightly_php/php-src/ext/lexbor/lexbor/url/url.c:4315:12
    #3 0x47c5a72 in php_uri_parser_whatwg_host_write /home/w023dtc/nightly_php/php-src/ext/uri/uri_parser_whatwg.c:392:6
    #4 0x47ae77a in php_uri_property_write_helper /home/w023dtc/nightly_php/php-src/ext/uri/php_uri_common.c:86:6
    #5 0x47af746 in php_uri_property_write_str_or_null_helper /home/w023dtc/nightly_php/php-src/ext/uri/php_uri_common.c:123:2
    #6 0x4791261 in zim_Uri_Rfc3986_Uri_withHost /home/w023dtc/nightly_php/php-src/ext/uri/php_uri.c:618:2
    #7 0x5ef166b in ZEND_DO_FCALL_SPEC_RETVAL_USED_HANDLER /home/w023dtc/nightly_php/php-src/Zend/zend_vm_execute.h:2152:4
    #8 0x5c3068b in execute_ex /home/w023dtc/nightly_php/php-src/Zend/zend_vm_execute.h:116212:12
    #9 0x5c32c1c in zend_execute /home/w023dtc/nightly_php/php-src/Zend/zend_vm_execute.h:121924:2
    #10 0x69c3b79 in zend_execute_script /home/w023dtc/nightly_php/php-src/Zend/zend.c:1975:3
    #11 0x519095a in php_execute_script_ex /home/w023dtc/nightly_php/php-src/main/main.c:2645:13
    #12 0x5191a98 in php_execute_script /home/w023dtc/nightly_php/php-src/main/main.c:2685:9
    #13 0x69d8a8a in do_cli /home/w023dtc/nightly_php/php-src/sapi/cli/php_cli.c:951:5
    #14 0x69d2e6f in main /home/w023dtc/nightly_php/php-src/sapi/cli/php_cli.c:1362:18
    #15 0x151e2b81ed8f in __libc_start_call_main csu/../sysdeps/nptl/libc_start_call_main.h:58:16
    #16 0x151e2b81ee3f in __libc_start_main csu/../csu/libc-start.c:392:3
    #17 0x607b04 in _start (/home/w023dtc/nightly_php/php-src/sapi/cli/php+0x607b04)

0x00000813571f is located 1 bytes to the left of global variable '<string literal>' defined in '/home/w023dtc/nightly_php/php-src/ext/uri/uri_parser_whatwg.c:574:153' (0x8135720) of size 1
  '<string literal>' is ascii string ''
0x00000813571f is located 60 bytes to the right of global variable '<string literal>' defined in '/home/w023dtc/nightly_php/php-src/ext/uri/uri_parser_whatwg.c:574:146' (0x81356e0) of size 3
  '<string literal>' is ascii string ' ('
SUMMARY: AddressSanitizer: global-buffer-overflow /home/w023dtc/nightly_php/php-src/ext/lexbor/lexbor/url/url.c:2137:25 in lxb_url_parse_basic_h
Shadow bytes around the buggy address:
  0x00008101ea90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x00008101eaa0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x00008101eab0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x00008101eac0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x00008101ead0: 00 00 00 00 05 f9 f9 f9 f9 f9 f9 f9 03 f9 f9 f9
=>0x00008101eae0: f9 f9 f9[f9]01 f9 f9 f9 f9 f9 f9 f9 02 f9 f9 f9
  0x00008101eaf0: f9 f9 f9 f9 00 00 00 00 00 00 00 00 00 00 00 00
  0x00008101eb00: 00 00 00 00 07 f9 f9 f9 f9 f9 f9 f9 00 00 00 00
  0x00008101eb10: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x00008101eb20: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x00008101eb30: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
Shadow byte legend (one shadow byte represents 8 application bytes):
  Addressable:           00
  Partially addressable: 01 02 03 04 05 06 07
  Heap left redzone:       fa
  Freed heap region:       fd
  Stack left redzone:      f1
  Stack mid redzone:       f2
  Stack right redzone:     f3
  Stack after return:      f5
  Stack use after scope:   f8
  Global redzone:          f9
  Global init order:       f6
  Poisoned by user:        f7
  Container overflow:      fc
  Array cookie:            ac
  Intra object redzone:    bb
  ASan internal:           fe
  Left alloca redzone:     ca
  Right alloca redzone:    cb
  Shadow gap:              cc
==1246000==ABORTING
```

But I expected this output instead:
```
```


### PHP Version

```plain
nightly
```

### Operating System

_No response_